C♯ Minor 13th
Also Known As
Hear the C♯ Minor 13th chord played for you.
C♯m13
C♯ – E – G♯ – B – D♯ – F♯ – A♯
Formula:R-m3-P5-m7-M9-P11-M13
Intervals:P1-m3-P5-m7-M9-P11-M13
Scale Degrees:1-b3-5-b7-9-11-13
Introduction
The C♯ Minor 13th chord is a seven-note chord made up of C♯, E, G♯, B, D♯, F♯, and A♯. It is built from a root, minor third, perfect fifth, minor seventh, major ninth, perfect eleventh, and major thirteenth.
The C# Minor 13th piano chord (C#m13) consists of the notes C#, E, G#, B, D#, F#, A#. It is a minor 11th chord with an added major 13th, giving it a dark and sophisticated character often used in jazz ballads and modal jazz. Formula: R-m3-P5-m7-M9-P11-M13 | Scale degrees: 1-b3-5-b7-9-11-13.
Notes
Key Signature
The key of C# Minor 13th has 4 sharps.
F♯C♯G♯D♯
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
F♯C♯G♯D♯A♯E♯B♯
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of C♯ Minor
These are the diatonic triads built on each degree of the C♯ minor scale:
C
D
E
F
G
A
B
C
D
E
F
G
A
B
i — C♯ Minor (minor)
Theory: Intervals
Formula: R-m3-P5-m7-M9-P11-M13
Intervals: P1-m3-P5-m7-M9-P11-M13
The C♯ Minor 13th is built by stacking intervals from the root note. The formula R-m3-P5-m7-M9-P11-M13 describes the scale degrees used. The intervals P1-m3-P5-m7-M9-P11-M13 show the distance between each note in the chord.
C♯ Minor 13th — Frequently Asked Questions
What notes are in the C# Minor 13th chord?
C# Minor 13th is built from the C# root. Check the interactive keyboard above for exact notes and fingering.
How is the C# Minor 13th chord used in music?
C# Minor 13th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Minor 13th).
What is the fingering for C# Minor 13th?
See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.
What are the inversions of C# Minor 13th?
Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.
Practice Tips
- The fullest extended chord — includes the 13th.
- Drop the 11th and sometimes the 5th.
- Rich, complex jazz sound.
- Compare with the 9th version.
- Jazz big band voicing.
- The 13th adds warmth on top.
Related Tools
Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.